UM..

  electronic devices
    
    capacitors
    Casings
    Crystals
    diode
    Fan
    Filter / Ferrite
    Fuses
    Heat Sink
    Inductors
    interated circuits
      circuits
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        N..
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        R..
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        U..
          U1..
          U2..
          U3..
          U4..
          U5..
          U6..
          U7..
          U8..
          UA..
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          UL..
          UM..
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        X..
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      EPROM
      Microcontrollerboards
      Microprocessor
      Moutings
      SIEMENS logic
    Loudspeaker / Microphones
    Mountings
    OptoElectronic
    Plugs / Connector / Cable
    Relays
    resistors
    Resonators
    Sensors
    soft tube
    Switches
    Thyristor / Triac
    Transformator / Power Supply
    Transistors
  Batterys / Mountings
  TV-Audio Spareparts
  Computer
  CarHifi